Siemens SINUMERIK 840 sl Manual page 22

Description
2.3 Interfaces
Byte Bit7
EB n + 13 -
Signals marked with * are inverse signals.
1) If the 4-stage rotary spindle override switch on X31 is replaced by a 5-stage rotary switch, the input information here
can be measured in five stages.
Table 2-9 Input image for handwheel data
Byte Bit7
EB n + 14
EB n + 15
EB n + 16
EB n + 17
Within the SINUMERIK control, the handwheel data is processed directly by the NCK and is
not available to the PLC.
Table 2-10 MCP 398C output image
Byte Bit7
AB n + 0
1000 INC
AB n + 1 Feed
start
AB n + 2 Arrow
key -
R13
AB n + 3
Z
R3
AB n + 4
T9
AB n + 5
T1
AB n + 6 -
AB n + 7 -
Signals marked with * are inverse signals
22
Bit6 Bit5
- -
Bit6 Bit5
Handwheel 1 counter status
(16-bit signed, low-order byte equals byte n+14)
Handwheel 2 counter status
(16-bit signed, low-order byte equals byte n+16)
Bit6 Bit5
Machine function
100 INC 10 INC
* Feed NC
stop start
Axis selection
X 4th axis
R1 R4
Axis selection
5th axis Motion
R5 command
in
MCS/WCS
Unassigned customer keys
T10 T11
Unassigned customer keys
T2 T3
- -
- KT-OUT6
X54.3
Bit4 Bit3
X31 X31
pin 6 pin 7
1) 1)
Bit4 Bit3
Bit4 Bit3
1 INC JOG
* NC
stop
REPOS
7th axis
R7 R10
9th axis
R11 R9
T12 T13
T4 T5
- -
KT-OUT5 KT-OUT4
X54.2 X54.1
Bit2 Bit1
X31 X31
pin 8 pin 9
1) 1)
Bit2 Bit1
Bit2 Bit1
Mode
TEACH IN MDA
Machine function
REF. Var. INC
Single Spindle
block Start
8th axis 6th axis
R8 R6
T14 T15
T6 T7
- RESET
KT-OUT3 KT-OUT2
X53.3 X53.2
Machine control panel: MCP 398C
Manual, 07/2018, A5E43199783B AB
Bit0
X31
pin 10
1)
Bit0
Bit0
AUTO
10000 INC
*Spindle
Stop
Arrow
key +
R15
Y
R2
T8
R14
KT-OUT1
X53.1